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Finding the Fourth Proportional to 192,449.70, 265,569.87 and 106,403.71

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Solution

The fourth proportional to 192,449.70, 265,569.87 and 106,403.71 is: 146,831.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,449.70 : 265,569.87 = 106,403.71 : x
  2. Step 2: Convert to fraction form
    192,449.70/265,569.87 = 106,403.71/x
  3. Step 3: Cross multiply
    192,449.70x = 265,569.87 × 106,403.71
  4. Step 4: Simplify right side
    192,449.70x = 28,257,619,432.22
  5. Step 5: Solve for x
    x = 28,257,619,432.22/192,449.70
  6. Step 6: Final answer
    x = 146,831.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.